7620243 has 8 divisors (see below), whose sum is σ = 10510800. Its totient is φ = 4904928.

The previous prime is 7620241. The next prime is 7620247. The reversal of 7620243 is 3420267.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7620243 - 2¹ = 7620241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7620241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43708 + ... + 43881.

It is an arithmetic number, because the mean of its divisors is an integer number (1313850).

Almost surely, 2^7620243 is an apocalyptic number.

7620243 is a deficient number, since it is larger than the sum of its proper divisors (2890557).

7620243 is a wasteful number, since it uses less digits than its factorization.

7620243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87621.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 7620243 is about 2760.4787628236. The cubic root of 7620243 is about 196.7839196740.

Adding to 7620243 its sum of digits (24), we get a palindrome (7620267).

It can be divided in two parts, 76202 and 43, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 7620243 in words is "seven million, six hundred twenty thousand, two hundred forty-three".